Costain Group (COST.L) Stock Price

Costain Group Price

LSE·CLOSED
2.58
​
Market closed

Over the last 19 years Costain Group grew revenue by 1.8% annually, reaching 1.05 B GBP. Earnings per share have declined at 4.9% per year over the last 18 years. For Costain Group, the net margin of 3.6% is up versus -0.5% a few years ago. At today's price the dividend yield works out to roughly 1.16%. The payout ratio is around 22% of earnings. The consensus 12-month price target for Costain Group is 196.35 GBP, about 7,510.5% above where the stock trades today. Of 10 analysts, 8 rate the stock a buy — an overall Buy consensus.

Costain Group stock price

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Costain Group business model & stock analysis

The Costain Group PLC is a British company based in Maidenhead that operates in the construction and infrastructure industry. It was founded in 1865 by Richard Costain and has completed numerous projects in the UK and beyond over the years. Costain's business model is based on planning, developing, and implementing infrastructure projects in various sectors, including transportation, energy, waste management, water and wastewater, and building management. The company has expertise in the design, engineering, construction, and maintenance of infrastructure systems. It is involved in road infrastructure projects in the UK, such as highway construction and the expansion of bus and rail systems. In the energy sector, Costain offers technologies and management solutions for energy management, including renewable energy integration and fuel cell optimization. It also works on developing recycling and waste disposal systems to reduce environmental impact. Costain is active in water supply, including the expansion of sewage treatment plants and the renovation of sewerage systems. It also supports the development of solutions to reduce water consumption. The company provides services in building management, including maintenance, repair, and construction of utility systems such as heating, ventilation, and air conditioning. These services are often offered in conjunction with other projects, such as building modernization. Costain believes that a sustainable approach is essential in the construction and infrastructure industry and places special emphasis on innovation and environmental awareness. For example, it has developed a program called "Costain Cares" aimed at reducing carbon footprint and making positive social contributions. In summary, Costain Group PLC is an experienced, versatile company with a wide range of services and a focus on sustainability.

Frequently asked questions about Costain Group

The business model of Costain Group PLC revolves around providing integrated solutions in the infrastructure and natural resources sectors. As a leading engineering and construction company, Costain specializes in delivering innovative projects that enhance the nation's transportation, energy, water, and defense infrastructure. Their model involves engaging in long-term partnerships with clients, utilizing their expertise in project management, technology, and consultancy services to deliver sustainable solutions that meet the evolving needs of customers. Costain Group PLC's business model focuses on collaboration, teamwork, and efficient delivery to create value for shareholders, clients, and society as a whole.

Costain Group PLC primarily operates in the construction and engineering industries. The company specializes in providing innovative solutions in areas such as highways, rail, water, energy, and natural resources. With a strong emphasis on technology and sustainability, Costain Group PLC delivers infrastructure projects that enhance communities and drive economic growth. As a leading player in the industry, Costain Group PLC leverages its expertise and diverse capabilities to provide efficient and reliable services to its clients.

Costain Group PLC faces competition from various companies in the market. Some of the key competitors include Balfour Beatty, Amec Foster Wheeler, Kier Group, and Morgan Sindall Group. These companies operate in similar sectors and offer services like infrastructure construction, engineering, and project management. While each competitor has its own strengths and market presence, Costain Group PLC strives to differentiate itself through its innovative solutions, technological expertise, and client-focused approach. As a leading player in the industry, Costain Group PLC continuously adapts to market challenges and seeks to deliver value-added solutions to its clients.

Costain Group PLC, a renowned British construction and engineering company, has a rich history dating back to its establishment in 1865. With over 150 years of experience, Costain has successfully delivered numerous infrastructure projects across various sectors. As a leading player in the industry, the company specializes in delivering complex construction projects, highways, rail, water, nuclear, and oil and gas sectors. Costain prides itself on its commitment to sustainable practices and innovative solutions, combining engineering expertise with advanced technology. With a strong track record and a focus on long-term relationships, Costain Group PLC continues to contribute significantly to the infrastructure development in the United Kingdom and beyond.

Costain Group PLC has achieved several significant milestones throughout its history. Some notable achievements include the completion of major infrastructure projects such as the London Bridge Station redevelopment, the Manchester's Trafford Park Metrolink extension, and the Thames Tideway Tunnel. The company has also been recognized for its commitment to sustainability and innovation, with awards and accolades for projects that demonstrate environmental responsibility and use cutting-edge technologies. Furthermore, Costain Group PLC has successfully secured contracts with various clients, including government bodies and private enterprises, fostering its reputation as a leading provider of engineering and construction services in the UK.

The Costain Group PLC is primarily present in the United Kingdom. With its headquarters in Maidenhead, England, the company operates across various regions in the UK. Costain has a strong national presence and has delivered projects in London, Manchester, Birmingham, and other major cities. Known for its expertise in providing innovative engineering and construction solutions, Costain serves clients in various sectors, including transportation, energy, water, and defense. As a leading British construction and engineering firm, Costain has established itself as a trusted partner for delivering complex infrastructure projects across the country.

Costain Group PLC represents a strong set of values and corporate philosophy. The company is committed to delivering innovative and sustainable solutions for complex infrastructure projects. Costain focuses on integrity, collaboration, and excellence in all aspects of its operations. By prioritizing safety, efficiency, and customer satisfaction, Costain strives to be the preferred choice for its clients. With a rich history and a forward-thinking approach, Costain Group PLC consistently demonstrates its commitment to quality and professionalism in the construction and engineering industry.

Analysts currently set an average price target of 207.74 GBP for the Costain Group stock (median: 196.35 GBP), implying -19.5 % versus the latest price. The consensus is based on 10 analyst ratings.

10 analysts currently rate the Costain Group stock: 8 recommend buying, 2 holding and 0 selling. For 2026, analysts expect Costain Group to generate revenue of 1.24 B GBP and earnings per share of 0.15 GBP.

Converted at the current exchange rate, the Costain Group share trades at 3.09 EUR (2.58 GBP).

The Costain Group share (COST.L) is listed on 5 stock exchanges, including: London (COST.L), Frankfurt (5JY.F), München (5JY.MU).

Costain Group PLC is a leading British engineering and construction company based in Maidenhead, Berkshire. The company was founded in 1865 and has since played a leading role in the development, operation, and maintenance of infrastructure projects in the UK. Costain has a multidisciplinary team of engineers, scientists, and project managers who work with innovative technologies and processes to plan and execute complex projects. The company specializes in projects in the infrastructure, energy, water, and environmental sectors. Infrastructure Costain is a leading provider of infrastructure projects and specializes in roads, bridges, railways, and airports. The company has been involved in numerous public and private infrastructure projects in the UK. For example, Costain played a key role in the construction of the Crossrail projects in London. Energy Costain has expanded its capabilities in planning and executing projects in the energy industry. The company has been involved in renewable energy projects since 2004, including biomass, wind, and solar energy. Costain also has the expertise to operate and maintain power plants in the oil, gas, and coal sectors. Water Costain is a key partner in planning and implementing water supply and wastewater treatment projects. The company works with OFWAT (Office of Water Services) and the country's water supply and wastewater treatment companies. Costain is able to plan, build, and operate projects that meet the water demand in the UK. Environment Costain also has extensive experience in assessing and reducing the environmental impacts of construction and engineering projects. The company has taken a leading role in the development of technologies to reduce carbon emissions and create more sustainable infrastructure. Costain is not only an engineering and construction company but also offers services related to consulting, operation, and maintenance of facilities. The company is able to form long-term partnerships with customers based on common goals and values. Through its innovation and ability to successfully execute complex projects, Costain has become a trusted partner for customers in various industries. The company strives to improve its business through the use of technologies and processes and exceed the expectations of its customers. Overall, Costain Group PLC offers technology and expertise in the fields of infrastructure, energy, water, and environment. The company specializes in projects with complex technical requirements and has established itself as a reliable partner for customers in the UK.

The expected revenue of Costain Group is 1.24 B GBP. This figure is based on current financial data and reflects the company's business performance.

The expected profit of Costain Group is 42.08 M GBP. The net profit reflects the company's profitability after deducting all expenses.

The price-to-earnings ratio (P/E) of Costain Group is currently 16.92. The P/E ratio compares the current share price to the earnings per share and helps investors assess the valuation of the Costain Group stock.

The price-to-sales ratio (P/S) of Costain Group is currently 0.57. The P/S ratio compares the market capitalization to the annual revenue and serves as a valuation metric for the Costain Group stock.

The Eulerpool Quality Score for Costain Group is 5/10.

The ISIN of Costain Group is GB00B64NSP76. The ISIN (International Securities Identification Number) is a globally unique identifier for securities.

The WKN of Costain Group is A1CUSQ. The WKN (Wertpapierkennnummer) is a six-digit German security identification number.

The ticker of Costain Group is COST.L. The ticker symbol is used to trade Costain Group shares on the stock exchange.

Fair ValueTerminal
2.35 GBP
Over-/UndervaluationTerminal
Fairly valued
Sector
Industry
Construction & Engineering
Number of shares
Employees
Revenue per Employee
307,558.82 GBP
Revenue growth Ø5 years
EBIT growth Ø5 years
Net Income growth Ø5 years
Website costain.com
Currency
GBP
Initial public offering
Jan 2, 1986
ISIN
GB00B64NSP76
Cusip
G24472204
Sedol
B64NSP7
Market capitalization
708.47 M GBPSmall Cap
52-Week Range
PEG
2.64
P/E ratio
P/Ee 2026
16.84
P/Ee 2027
13.96
P/Ee 2028
13.66
P/S
P/Se
0.57
EV/EBIT
10.77
P/B Ratio
2.74
ROE (Return on Equity)
ROA (Return on Assets)
ROCE (Return on Capital Employed)
ROIC (Return on Invested Capital)
13.17 %
Dividend
Dividend yield
1.16 %
Est. Dividend Yield
2.02 %
Payout Ratio
22.20 %
Dividend growth Ø5Y
-17.44 %
Dividend payments per year
2
Dividend paid since
3 years
Dividend not reduced since
3 years
Dividend increased since
3 years
Dividend withholding tax
0.00 %
Last updated Nov 11, 2026, 8:26 AM

Costain Group Ticker

FRANKFURT · 5JY.FLONDON · COST.LLONDON STOCK EXCHANGE · COST.LMUNICH · 5JY.MUOTC · CSGQF

Costain Group FIGI

COST:LN · BBG000BDCD60COST:PZ · BBG000FPGH84COSTEUR:EO · BBG000GLP0B5COSTEUR:E1 · BBG000GLPFB2COSTEUR:XT · BBG000GLPG57COSTEUR:XW · BBG000GLPGT1COST:EO · BBG000H5PN38COST:XH · BBG000H5QRJ1COST:XC · BBG000H5QS27COST:XF · BBG000H5QSH1COST:XE · BBG000H5QVH4COST:XJ · BBG000H5QWK8